infect the plant by direct penetration of the cuticula and then grow between the cuticula and the epidermis of the plant cells. This causes lesions, o…
any doubt, remove all filters. What pressure can be on the pump and the spray boom? The pressure on the nozzle may not exceed 20 bar (190 psi), with…
symptoms Ascochyta pisi causes spots on leaves, stems and pods of peas. The spots on leaves and pods are round, on the stems they are more elongated.…
survival on leaves and shoots lying on the soil. Under favourable conditions oospores will germinate and infect the lower leaves of the plant. Then…
feed on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on…
phoenicis) also feeds on fruits of for instance citrus, papaya and pomegranate. Several Brevipalpus species are known to transmit plant viruses.…
from March onwards. Eggs are laid singly on leaves and twigs of trees. The larvae emerge 1-4 weeks later depending on temperature, and bore into buds…
tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The…
germinación. En plantas secas, la germinación tiene lugar a una humedad relativa muy elevada (RH > 93%). El micelio crece en la planta. El moho gris (…
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